 /* 公共样式 */
 *{
    padding: 0px;
    margin: auto;
} 
ul,li,ol{
    list-style: none;
}
html{
    font-family: "宋体";
    font-size: 14px;
    color: #333;
}
a{
    color: #a8a8a8;
    text-decoration: none;
    
}
a:hover{
    color: blue;
}
.f_left{
    float: left;
}
.f_right{
    float: right;
}
.f_clear{
    clear: both;
}